The Secretary is also authorized to make or insure loans to associations, including corporations not operated for profit, Indian tribes on Federal and State reservations and other federally recognized Indian tribes, and public and quasi-public agencies to provide for the application or establishment of soil conservation practices, shifts in land use, the conservation, development, use, and control of water, and the installation or improvement of drainage or waste disposal facilities, recreational developments, and essential community facilities including necessary related equipment, all primarily serving farmers, ranchers, farm tenants, farm laborers, rural businesses, and other rural residents, and to furnish financial assistance or other aid in planning projects for such purposes. The Secretary may also make or insure loans to communities that have been designated as rural empowerment zones or rural enterprise communities pursuant to part I of subchapter U of chapter 1 of title 26, or as rural enterprise communities pursuant to section 766 of the Agriculture, Rural Development, Food and Drug Administration, and Related Agencies Appropriations Act, 1999 (Public Law 105–277; 112 Stat. 2681, 2681–37), to provide for the installation or improvement of essential community facilities including necessary related equipment, and to furnish financial assistance or other aid in planning projects for such purposes. The Secretary may also make loans to any borrower to whom a loan has been made under the Rural Electrification Act of 1936 (7 U.S.C. 901 et seq.), for the conservation, development, use, and control of water, and the installation of drainage or waste disposal facilities, primarily serving farmers, ranchers, farm tenants, farm laborers, rural businesses, and other rural residents. When any loan made for a purpose specified in this paragraph is sold out of the Agricultural Credit Insurance Fund as an insured loan, the interest or other income thereon paid to an insured holder shall be included in gross income for purposes of chapter 1 of title 26. With respect to loans of less than $500,000 made or insured under this paragraph that are evidenced by notes and mortgages, as distinguished from bond issues, borrowers shall not be required to appoint bond counsel to review the legal validity of the loan whenever the Secretary has available legal counsel to perform such review.